In the slums and gutters of ancient Rome a broken ex legionary named Marcus wanders in a drunken stupor, haunted by the shame of loss and failure of duty. Suddenly, he stumbles across a young girl being chased by strange, hooded demons, and in his attempt to help he is plunged into a deadly conspiracy that threatens to destroy the Empire. Step into a vision of ancient Rome that moves away from the temples of marble and clean white togas and into the dirty underbelly of one of history's greatest empires.